Wield authority (6)
I believe the answer is:
govern
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">wield authority</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for govern that I've seen before include "Manage - control" , "Rule over or regulate" , "Control, influence" , "Rule or administer" , "Run" .)